Therapy took much longer to administer than expected. The usual expectation is that BSFT therapy should last approximately four months, which is consistent with our implementation experience. However, the median length of treatment for those participants who were retained in treatment across both conditions was approximately 8 months for both conditions. As discussed later, this difference between prior and current experiences in delivering BSFT may have occurred because BSFT was implemented by therapists who had additional caseloads, often involving other treatment approaches, in addition to their BSFT caseload for the study.